26920853 has 6 divisors (see below), whose sum is σ = 28412694. Its totient is φ = 25503624.

The previous prime is 26920847. The next prime is 26920871. The reversal of 26920853 is 35802962.

It can be written as a sum of positive squares in only one way, i.e., 24780484 + 2140369 = 4978^2 + 1463^2 .

It is not a de Polignac number, because 26920853 - 2⁴ = 26920837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26920823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36926 + ... + 37647.

It is an arithmetic number, because the mean of its divisors is an integer number (4735449).

Almost surely, 2^26920853 is an apocalyptic number.

It is an amenable number.

26920853 is a deficient number, since it is larger than the sum of its proper divisors (1491841).

26920853 is an equidigital number, since it uses as much as digits as its factorization.

26920853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74611 (or 74592 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 26920853 is about 5188.5309096121. The cubic root of 26920853 is about 299.7065760645.

The spelling of 26920853 in words is "twenty-six million, nine hundred twenty thousand, eight hundred fifty-three".